chore: attach binds to common variables file

common/variables.nix

@@ -10,7 +10,11 @@ in {
   # Type definitions for nix variables used in this configuration
   options = with lib;
   with types; {
-    defaultApplications = {fileManager = mkOption {type = str;};};
+    defaultApplications = {
+      fileManager = mkOption {type = str;};
+      appLauncher = mkOption {type = str;};
+      terminal = mkOption {type = str;};
+    };
     myWallPaperPath = mkOption {type = path;};
     myUserName = mkOption {type = str;};
     myHostName = mkOption {type = str;};
@@ -45,6 +49,10 @@ in {
       "${pkgs.pa-notify}/bin/pa-notify"
       "${pkgs.networkmanagerapplet}/bin/nm-applet"
     ];
-    defaultApplications.fileManager = "${pkgs.nemo}/bin/nemo";
+    defaultApplications = {
+      terminal = "${pkgs.foot}/bin/footclient";
+      fileManager = "${pkgs.nemo}/bin/nemo";
+      appLauncher = "${pkgs.walker}/bin/walker";
+    };
   };
 }

home-manager/stvnliu/hypr/hyprland/binds.nix

@@ -1,11 +1,9 @@
 {
   config,
   pkgs,
-  lib,
   ...
 }: let
-  terminalCmd = "${pkgs.foot}/bin/footclient";
-  appLauncherCmd = "${pkgs.walker}/bin/walker";
+  terminalCmd = config.defaultApplications.terminal;
   screenshotLocation = "/home/${config.myUserName}/Screenshots/$(date '+%Y-%m-%d-%H-%M-%S').png";
 in
   [
@@ -22,7 +20,7 @@ in
     # keysyms for util functions
     # Example volume button that allows press and hold, volume limited to 150%
     "$mod, Q, killactive"
-    "$mod, D, exec, ${appLauncherCmd}"
+    "$mod, D, exec, ${config.defaultApplications.appLauncher}"
     "$mod, F, fullscreen"
     "$mod, E, exec, ${config.defaultApplications.fileManager}"
     # foot terminal